Inicijacija i rast prsline u zavarenom spoju čelika za rad na povišenim temperaturama
Crack initiation and growth in welded joint of steel for operation at elevated temperature
Apstrakt
U radu su prikazana eksperimentalna istraživanja koja uključuju analizu stvaranja i rasta prsline u zavarenom spoju čelika za rad na povišenim temperaturama. Za bolje razumevanje fenomena stvaranja i rasta prsline u zavarenim spojevima čelika A-204 Gr. A, namenjenog za rad na visokim temperaturama i pritiscima, potrebno je utvrditi uticaj heterogenosti mikrostrukturnih i mehaničkih svojstava na žilavost loma i stvaranje i rast zamorne prsline u komponentama zavarenog spoja. Na osnovu ispitivanja provedenih na CT i Charpy epruvetama na kojima su prethodno inicirane prsline utvrđen je uticaj heterogenosti mikrostrukturnih i mehaničkih svojstava zavarenog spojeva na žilavost loma i parametre rasta zamorne prsline.
In a paper given, experimental investigations have included the analysis of crack initiation and growth in welded joint of steel for operation at elevated temperatures. For better understanding of the phenomenon of crack initiation and propagation in welded joints of A-204 Gr. A steel, designed for high-temperature and high-pressure application, it is necessary to determine the effect of heterogeneity of microstructural and mechanical properties on fracture toughness and fatigue crack initiation and propagation in welded components. Based on the tests conducted with pre-cracked CT and Charpy size specimens, the effect of heterogeneity of microstructural and mechanical properties of welded joints on fracture toughness and fatigue-crack growth parameters was determined.
Ključne reči:
žilavost loma / Zavareni spoj / stvarenje zamorne prsline / rast zamorne prsline / prag zamora / Weld joint / fracture toughness / fatigue threshold / fatigue crack initiation / fatigue crack growthIzvor:
Zavarivanje i zavarene konstrukcije, 2022, 67, 2, 53-61Izdavač:
- DUZS - Društvo za unapređivanje zavarivanja u Srbiji, Beograd
Finansiranje / projekti:
- Ministarstvo nauke, tehnološkog razvoja i inovacija Republike Srbije, institucionalno finansiranje - 200325 (Vojnotehnički institut - VTI, Beograd) (RS-MESTD-inst-2020-200325)
Kolekcije
Institucija/grupa
Mašinski fakultetTY - JOUR AU - Burzić, Zijah AU - Perković, Srđa AU - Lisov, Miodrag AU - Grabulov, Vencislav AU - Burzić, Meri PY - 2022 UR - https://machinery.mas.bg.ac.rs/handle/123456789/3704 AB - U radu su prikazana eksperimentalna istraživanja koja uključuju analizu stvaranja i rasta prsline u zavarenom spoju čelika za rad na povišenim temperaturama. Za bolje razumevanje fenomena stvaranja i rasta prsline u zavarenim spojevima čelika A-204 Gr. A, namenjenog za rad na visokim temperaturama i pritiscima, potrebno je utvrditi uticaj heterogenosti mikrostrukturnih i mehaničkih svojstava na žilavost loma i stvaranje i rast zamorne prsline u komponentama zavarenog spoja. Na osnovu ispitivanja provedenih na CT i Charpy epruvetama na kojima su prethodno inicirane prsline utvrđen je uticaj heterogenosti mikrostrukturnih i mehaničkih svojstava zavarenog spojeva na žilavost loma i parametre rasta zamorne prsline. AB - In a paper given, experimental investigations have included the analysis of crack initiation and growth in welded joint of steel for operation at elevated temperatures. For better understanding of the phenomenon of crack initiation and propagation in welded joints of A-204 Gr. A steel, designed for high-temperature and high-pressure application, it is necessary to determine the effect of heterogeneity of microstructural and mechanical properties on fracture toughness and fatigue crack initiation and propagation in welded components. Based on the tests conducted with pre-cracked CT and Charpy size specimens, the effect of heterogeneity of microstructural and mechanical properties of welded joints on fracture toughness and fatigue-crack growth parameters was determined. PB - DUZS - Društvo za unapređivanje zavarivanja u Srbiji, Beograd T2 - Zavarivanje i zavarene konstrukcije T1 - Inicijacija i rast prsline u zavarenom spoju čelika za rad na povišenim temperaturama T1 - Crack initiation and growth in welded joint of steel for operation at elevated temperature EP - 61 IS - 2 SP - 53 VL - 67 DO - 10.5937/zzk2202053B ER -
@article{ author = "Burzić, Zijah and Perković, Srđa and Lisov, Miodrag and Grabulov, Vencislav and Burzić, Meri", year = "2022", abstract = "U radu su prikazana eksperimentalna istraživanja koja uključuju analizu stvaranja i rasta prsline u zavarenom spoju čelika za rad na povišenim temperaturama. Za bolje razumevanje fenomena stvaranja i rasta prsline u zavarenim spojevima čelika A-204 Gr. A, namenjenog za rad na visokim temperaturama i pritiscima, potrebno je utvrditi uticaj heterogenosti mikrostrukturnih i mehaničkih svojstava na žilavost loma i stvaranje i rast zamorne prsline u komponentama zavarenog spoja. Na osnovu ispitivanja provedenih na CT i Charpy epruvetama na kojima su prethodno inicirane prsline utvrđen je uticaj heterogenosti mikrostrukturnih i mehaničkih svojstava zavarenog spojeva na žilavost loma i parametre rasta zamorne prsline., In a paper given, experimental investigations have included the analysis of crack initiation and growth in welded joint of steel for operation at elevated temperatures. For better understanding of the phenomenon of crack initiation and propagation in welded joints of A-204 Gr. A steel, designed for high-temperature and high-pressure application, it is necessary to determine the effect of heterogeneity of microstructural and mechanical properties on fracture toughness and fatigue crack initiation and propagation in welded components. Based on the tests conducted with pre-cracked CT and Charpy size specimens, the effect of heterogeneity of microstructural and mechanical properties of welded joints on fracture toughness and fatigue-crack growth parameters was determined.", publisher = "DUZS - Društvo za unapređivanje zavarivanja u Srbiji, Beograd", journal = "Zavarivanje i zavarene konstrukcije", title = "Inicijacija i rast prsline u zavarenom spoju čelika za rad na povišenim temperaturama, Crack initiation and growth in welded joint of steel for operation at elevated temperature", pages = "61-53", number = "2", volume = "67", doi = "10.5937/zzk2202053B" }
Burzić, Z., Perković, S., Lisov, M., Grabulov, V.,& Burzić, M.. (2022). Inicijacija i rast prsline u zavarenom spoju čelika za rad na povišenim temperaturama. in Zavarivanje i zavarene konstrukcije DUZS - Društvo za unapređivanje zavarivanja u Srbiji, Beograd., 67(2), 53-61. https://doi.org/10.5937/zzk2202053B
Burzić Z, Perković S, Lisov M, Grabulov V, Burzić M. Inicijacija i rast prsline u zavarenom spoju čelika za rad na povišenim temperaturama. in Zavarivanje i zavarene konstrukcije. 2022;67(2):53-61. doi:10.5937/zzk2202053B .
Burzić, Zijah, Perković, Srđa, Lisov, Miodrag, Grabulov, Vencislav, Burzić, Meri, "Inicijacija i rast prsline u zavarenom spoju čelika za rad na povišenim temperaturama" in Zavarivanje i zavarene konstrukcije, 67, no. 2 (2022):53-61, https://doi.org/10.5937/zzk2202053B . .